Home / 11,691,485.40-17,518,565.70-9,787,920.60

Finding the Fourth Proportional to 11,691,485.40, 17,518,565.70 and 9,787,920.60

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Solution

The fourth proportional to 11,691,485.40, 17,518,565.70 and 9,787,920.60 is: 14,666,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,485.40 : 17,518,565.70 = 9,787,920.60 : x
  2. Step 2: Convert to fraction form
    11,691,485.40/17,518,565.70 = 9,787,920.60/x
  3. Step 3: Cross multiply
    11,691,485.40x = 17,518,565.70 × 9,787,920.60
  4. Step 4: Simplify right side
    11,691,485.40x = 171,470,330,097,483.41
  5. Step 5: Solve for x
    x = 171,470,330,097,483.41/11,691,485.40
  6. Step 6: Final answer
    x = 14,666,257.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.